The Heart's Electrical System
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Questions and Answers

Which specialized conduction system of the heart is responsible for the electrical communication between the atria and ventricles?

  • Bundle of His
  • AV node (correct)
  • SA node
  • Purkinje fibers
  • What term is used to describe excessive slowing or interruption of electrical signal propagation across the heart's conduction system?

  • SA block
  • Purkinje block
  • Bundle branch block
  • AV block (correct)
  • Which type of AV block involves uniform slowing of conduction between the atria and ventricles?

  • Second Degree AV Block
  • Bundle Branch Block
  • First Degree AV Block (correct)
  • Third Degree AV Block
  • Which component of the heart's conduction system is diseased or damaged in AV block, leading to delay or total block of impulses?

    <p>Bundle of His</p> Signup and view all the answers

    What is the term for intermittent interruption of conduction in the heart's conduction system?

    <p>Second Degree AV Block</p> Signup and view all the answers

    Which part of the heart's conduction system is responsible for the relay of electrical signals between the atria and ventricles?

    <p>AV node</p> Signup and view all the answers

    What is the term used to describe the condition where there is uniform slowing of conduction between the atria and ventricles?

    <p>First Degree AV Block</p> Signup and view all the answers

    What is the term used to describe excessive slowing or interruption of electrical signal propagation across the heart's conduction system?

    <p>AV block</p> Signup and view all the answers

    Which type of AV block involves intermittent interruption of conduction, which may be further designated as type 1 or type 2?

    <p>Second Degree AV Block</p> Signup and view all the answers

    Which component of the heart's conduction system is diseased or damaged in AV block, leading to delay or total block of impulses?

    <p>AV node</p> Signup and view all the answers

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